I mARbRAINLIESTT PL HELP
A farmer is tracking the amount of corn his land is yielding each year. He finds that the function f(x) = −x2 + 20x + 50 models the crops in pounds per acre over x years. Find and interpret the average rate of change from year 1 to year 10.
The crop yield increased by 9 pounds per acre from year 1 to year 10.
The crop yield decreased by 0.09 pounds per acre from year 1 to year 10.
The crop yield decreased by 11 pounds per acre from year 1 to year 10.
The crop yield increased by 99 pounds per acre from year 1 to year 10.